Question

The rate of the reaction
$CCl_3CHO + NO \to CHCl_3 + NO + CO$ is given by Rate $=K\left[CCl_{3}CHO\right]\left[NO\right]$ If concentration is expressed in moles/litre, the units of $K$ are

• A. $litre^{2}\, mole^{-2} \,sec^{-1}$
• B. $mole \,litre^{-1} \,sec^{-1}$
• C. $litre\, mole^{-1}\, sec^{-1}$
• D. $sec^{-1}$

Answer 1

Answer: (C)

It is a second-order reaction and the unit of $k$ for second order reaction is litre $mol^{-1} sec^{-1}$